Analysis

  • max time kernel
    600s
  • max time network
    593s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231215-en
  • resource tags

    arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20-12-2023 06:15

General

  • Target

    http://caymus.com

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://caymus.com
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffa57dd9758,0x7ffa57dd9768,0x7ffa57dd9778
      2⤵
        PID:2320
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1736 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:2
        2⤵
          PID:4588
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2096 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:8
          2⤵
            PID:4476
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2140 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:8
            2⤵
              PID:1156
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2736 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:1
              2⤵
                PID:4080
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2752 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:1
                2⤵
                  PID:4320
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3820 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:1
                  2⤵
                    PID:1336
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4648 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:1
                    2⤵
                      PID:3332
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4796 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:8
                      2⤵
                        PID:4904
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5656 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:8
                        2⤵
                          PID:1540
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3644 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:8
                          2⤵
                            PID:4784
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.22000.1 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=924 --field-trial-handle=1784,i,3557414032086608624,466080980211960637,131072 /prefetch:2
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:612
                        • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                          "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                          1⤵
                            PID:2076
                          • C:\Windows\system32\AUDIODG.EXE
                            C:\Windows\system32\AUDIODG.EXE 0x00000000000004BC 0x00000000000004E0
                            1⤵
                              PID:1488

                            Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                              Filesize

                              504B

                              MD5

                              1710aa1be6e228fcbce3b07bdf3443e3

                              SHA1

                              67d784b546dc361382a6ba90b272b1702a53bcd1

                              SHA256

                              2d55f974427dfb465c67dd43e1214487fafa0bc52b12a4b33aebcb2f8cd97d79

                              SHA512

                              914fd282902009b98a4a4bad8e0b1601aa4d09e36c18dac98983bd74287db6003aaa8a6e0bfd3c2ac94df59818caf72b5cdef5d85a56d96bfdea674ab5b7f5d2

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                              Filesize

                              1KB

                              MD5

                              f77882b5d9abd10d57e5362c596262f8

                              SHA1

                              a48d5d2b5d7abf3eb2ddc31bf929495901589266

                              SHA256

                              111b154412052af90ea98cbbbbf8e01f5bb55ea3c70fcb7ed80228d1ad069fea

                              SHA512

                              1f19848d6d09f8c0dd4521dc25dd868adbebdedee489df7f531d640f0a85ceeb7680d33a459129bc8df8cbba7f7a3b8e640f141ec864ea155af8894b1774411a

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                              Filesize

                              3KB

                              MD5

                              67842b806d01aeb87ffa287f5f2a1fd1

                              SHA1

                              63630963e862ab5711a0cdf0e09d8c408caa220a

                              SHA256

                              0846a89de68add9d666bff9018119e661d29d5f5d18e16b27ce627f5e5488e4e

                              SHA512

                              b959f4f0e3978a934de98ccc760f294894dc78a4ce5dcf34b8787c485c656b16c332b68ab701ab02d4236428dc78dd88cbe86ca3c3b48ae98cbe28ebc5514f54

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                              Filesize

                              3KB

                              MD5

                              c2dbab0bb6c1eec377ea5e058954d9e9

                              SHA1

                              3d395b6963e0b8623c83f93ea77582eeb719e7f0

                              SHA256

                              23f5943e548592ac890d9a9c9b470e1d9d1f51aab41bb857a5c82f03cca2e40c

                              SHA512

                              2f241c0bc1abd8e588f8164ec7282e32db4ba57bb72bc9efcb308578a614240e3485b142bae5ee23bf0e03213cfe4b4ed85c94959044fc8fbbde582c9d2fb318

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                              Filesize

                              3KB

                              MD5

                              29d1b1853586e8353eeca15168286724

                              SHA1

                              d1bd953464878e1a425f8fc2712a7c3032b82102

                              SHA256

                              6a4de5075bcaae6b90f65a4e4e85144d952e1bc888666a718c078805b4d66963

                              SHA512

                              c2856303ee04b7651cd1fb0d40a2b9531c7887448971f8aca2c56323e26ee324dc23ef0fc5bc3ac0fa2d6187a3740356ea2dd7a425b252fcc74bc6a2b578436f

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                              Filesize

                              1KB

                              MD5

                              1beaf74ca7d483fa9709ced6fe21a6d3

                              SHA1

                              17cdad23139ab63bf3476cdbb9af722101680ca8

                              SHA256

                              f9a973682a96266ac8ea3dfb05e032c847283dfe3a072c1ea1380b2332680d42

                              SHA512

                              241bc8d592352bfd4130228593f95edfdf5b0ab845faf600b2074e63a333fc1e9060251d4175a3cec9f8a1e9413e645276a4abd7dbf02f29cfa020ff50dd7af3

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                              Filesize

                              6KB

                              MD5

                              d3c1bd3c80305b55028c7578b44011f1

                              SHA1

                              94f8c3e4a6e6d8070e987a62d90be6572a4b2f59

                              SHA256

                              eb8396cb695de829e49106d207d48c6c860e980057c3a778552cf812fd4e3240

                              SHA512

                              9fd92fbc7be0debba933f61a38381586349d33fdc099a5f44ab6753318d6cd000d5c192e12797f0e85c49d814b1eecb312fb312e4d6f8ed3e8c3c5e45d0df3f8

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                              Filesize

                              114KB

                              MD5

                              d0d89bd3cac812d50c8e4b47e1f32507

                              SHA1

                              ee9e1bbb2332ac03eb2571ca387f79dbca07a47b

                              SHA256

                              419afe96397847b89df34640f14008916f65a6b27b4923dcef933f0fba57dcdb

                              SHA512

                              72da2168e0faf1c694674ec190dda727e56e28aace585e3d9ddf64053d4bf43b58d701bada8018c841c07c81b3df918839b6f79f50603d621b9d9753005a71d8

                            • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                              Filesize

                              2B

                              MD5

                              99914b932bd37a50b983c5e7c90ae93b

                              SHA1

                              bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                              SHA256

                              44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                              SHA512

                              27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd